WO2023207705A1 - Procédé et appareil utilisés dans un nœud pour des communications sans fil - Google Patents

Procédé et appareil utilisés dans un nœud pour des communications sans fil Download PDF

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Publication number
WO2023207705A1
WO2023207705A1 PCT/CN2023/089209 CN2023089209W WO2023207705A1 WO 2023207705 A1 WO2023207705 A1 WO 2023207705A1 CN 2023089209 W CN2023089209 W CN 2023089209W WO 2023207705 A1 WO2023207705 A1 WO 2023207705A1
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WIPO (PCT)
Prior art keywords
signal
sub
signaling
port
mcs index
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PCT/CN2023/089209
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English (en)
Chinese (zh)
Inventor
胡杨
张晓博
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上海朗帛通信技术有限公司
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Publication of WO2023207705A1 publication Critical patent/WO2023207705A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H04W72/232—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling

Definitions

  • the present application relates to transmission methods and devices in wireless communication systems, in particular to wireless signal transmission methods and devices in wireless communication systems supporting cellular networks.
  • selecting an appropriate PT-RS time domain density can effectively improve the transmission performance of wireless signals.
  • how to associate the time domain density of PT-RS to the appropriate MCS according to the instructions of DCI signaling is an important issue that needs to be considered to improve uplink transmission performance.
  • this application discloses a solution. It should be noted that the above description uses higher frequency bands and uplinks as examples; this application is also applicable to other scenarios, such as frequency bands other than higher frequency bands, downlinks, and sidelinks. etc., and achieve similar technical effects. In addition, adopting a unified solution for different scenarios (including but not limited to uplink, downlink or side link under various frequency bands) can also help reduce hardware complexity and cost, or improve performance. Without conflict, the embodiments and features in the embodiments in any node of this application can be applied to any other node. The embodiments of the present application and the features in the embodiments can be combined with each other arbitrarily without conflict.
  • This application discloses a method used in a first node of wireless communication, which is characterized by including:
  • Receive first signaling including a first field used to indicate an association between the PT-RS port and the DM-RS port;
  • the first signal includes a first sub-signal and a second sub-signal, the first sub-signal and the second sub-signal occupy two PT-RS ports respectively, and the third sub-signal
  • the second signal carries multiple blocks of bits
  • the MCS index indicated by two different fields in the signaling is related to at least one of the indication of the first field in the first signaling or the allocation of the transport layer in the second signal.
  • the benefits of the above method include: improving the flexibility of base station side scheduling, which is beneficial to improving transmission performance.
  • the benefits of the above method include: saving DCI signaling overhead.
  • the benefits of the above method include: improving the flexibility of PT-RS configuration.
  • the benefits of the above method include: reducing the resource overhead for PT-RS or improving the utilization efficiency of PT-RS on the premise of ensuring transmission performance.
  • the benefits of the above method include: helping to improve spectral efficiency.
  • the above method is characterized by,
  • the time domain density of the first sub-signal is associated with the MCS index indicated by a given field in the first signaling; when the first field in the first signaling indicates the second When the PT-RS port occupied by the sub-signal is associated with the first DM-RS port, the time domain density of the second sub-signal is associated with all the PT-RS ports indicated by the given domain in the first signaling.
  • the MCS index when the first domain in the first signaling indicates that the PT-RS port occupied by the second sub-signal is associated with the second DM-RS port, all of the second sub-signal
  • the time domain density is associated with an MCS index indicated by a domain outside the given domain in the first signaling; the first DM-RS port and the second DM-RS port share the first DM-RS port.
  • the characteristics of the above method include: determining the PT-RS according to the association between the PT-RS port and the DM-RS port. Configuration of temporal density.
  • the above method is characterized by,
  • the first DM-RS port and the second DM-RS port respectively correspond to a first bit block and a second bit block, and the second signal carries the first bit block and the second bit block.
  • the above method is characterized by,
  • the second signal carries a first bit block and a second bit block; when the first set of conditions is satisfied, the time domain density of the first sub-signal and the time domain density of the second sub-signal Respectively associated to the MCS index indicated by two different domains in the first signaling; when the first condition set is not satisfied, the time domain density of the first sub-signal and the second sub-signal
  • the time domain density is associated with the MCS index indicated by the same domain in the first signaling;
  • the first set of conditions is related to the transmission layer occupied by the first bit block or the second bit block
  • the occupied transport layer is related to at least one of the two.
  • the above method is characterized by,
  • the first condition set is satisfied when the number of transmission layers occupied by the first bit block belongs to a first quantity set; the first quantity set includes at least one quantity.
  • the characteristics of the above method include: determining the configuration of the PT-RS time domain density according to the number of transmission layers occupied by the transmission blocks carried by the second signal.
  • the above method is characterized by,
  • the first MCS index range set includes multiple MCS index ranges.
  • the multiple MCS index ranges in the first MCS index range set respectively correspond to multiple time domain densities.
  • the time domain density of the first sub-signal is the time domain density corresponding to the MCS index range to which the MCS index indicated by a field in the first signaling belongs among the multiple MCS index ranges in the first MCS index range set;
  • the second MCS The index range set includes multiple MCS index ranges, the multiple MCS index ranges in the second MCS index range set respectively correspond to multiple time domain densities, and the time domain density of the second sub-signal is the The time domain density corresponding to the MCS index range to which the MCS index indicated by a field in the first signaling belongs among the plurality of MCS index ranges in the second MCS index range set.
  • the above method is characterized by,
  • the first signal includes a first PT-RS
  • the first sub-signal includes a portion of the first PT-RS that occupies a first PT-RS port
  • the second sub-signal includes the first PT-RS. The part of the RS that occupies the second PT-RS port.
  • This application discloses a method used in a second node of wireless communication, which is characterized by including:
  • Send first signaling including a first field, the first field being used to indicate the association between the PT-RS port and the DM-RS port;
  • the first signal includes a first sub-signal and a second sub-signal, the first sub-signal and the second sub-signal occupy two PT-RS ports respectively, and the third sub-signal is
  • the second signal carries multiple blocks of bits
  • the MCS index indicated by two different fields in the signaling is related to at least one of the indication of the first field in the first signaling or the allocation of the transport layer in the second signal.
  • the above method is characterized by,
  • the time domain density of the first sub-signal is associated with the MCS index indicated by a given field in the first signaling; when the first field in the first signaling indicates the second When the PT-RS port occupied by the sub-signal is associated with the first DM-RS port, the time domain density of the second sub-signal is associated with all the PT-RS ports indicated by the given domain in the first signaling.
  • the MCS index when the first domain in the first signaling indicates that the PT-RS port occupied by the second sub-signal is associated with the second DM-RS port, all of the second sub-signal
  • the time domain density is associated with an MCS index indicated by a domain outside the given domain in the first signaling; the first DM-RS port and the second DM-RS port share the first DM-RS port.
  • the above method is characterized by,
  • the first DM-RS port and the second DM-RS port respectively correspond to a first bit block and a second bit block, and the second signal carries the first bit block and the second bit block.
  • the above method is characterized by,
  • the second signal carries a first bit block and a second bit block; when the first condition set is satisfied, the time domain of the first sub-signal The density and the time domain density of the second sub-signal are respectively associated with the MCS index indicated by two different fields in the first signaling; when the first condition set is not satisfied, the first sub-signal The time domain density of the signal and the time domain density of the second sub-signal are associated with the MCS index indicated by the same domain in the first signaling; the first condition set and the first At least one of the transport layer occupied by the bit block or the transport layer occupied by the second bit block is related.
  • the above method is characterized by,
  • the first condition set is satisfied when the number of transmission layers occupied by the first bit block belongs to a first quantity set; the first quantity set includes at least one quantity.
  • the above method is characterized by,
  • the first MCS index range set includes multiple MCS index ranges.
  • the multiple MCS index ranges in the first MCS index range set respectively correspond to multiple time domain densities.
  • the time domain density of the first sub-signal is the time domain density corresponding to the MCS index range to which the MCS index indicated by a field in the first signaling belongs among the multiple MCS index ranges in the first MCS index range set;
  • the second MCS The index range set includes multiple MCS index ranges, the multiple MCS index ranges in the second MCS index range set respectively correspond to multiple time domain densities, and the time domain density of the second sub-signal is the The time domain density corresponding to the MCS index range to which the MCS index indicated by a field in the first signaling belongs among the plurality of MCS index ranges in the second MCS index range set.
  • the above method is characterized by,
  • the first signal includes a first PT-RS
  • the first sub-signal includes a portion of the first PT-RS that occupies a first PT-RS port
  • the second sub-signal includes the first PT-RS. The part of the RS that occupies the second PT-RS port.
  • This application discloses a first node used for wireless communication, which is characterized by including:
  • a first receiver receiving first signaling, the first signaling including a first field, the first field being used to indicate the association between the PT-RS port and the DM-RS port;
  • the first transmitter sends a first signal and a second signal.
  • the first signal includes a first sub-signal and a second sub-signal.
  • the first sub-signal and the second sub-signal occupy 2 PT-RS respectively.
  • port, the second signal carries a plurality of bit blocks;
  • the MCS index indicated by two different fields in the signaling is related to at least one of the indication of the first field in the first signaling or the allocation of the transport layer in the second signal.
  • This application discloses a second node used for wireless communication, which is characterized in that it includes:
  • a second transmitter sending first signaling, the first signaling including a first field, the first field being used to indicate the association between the PT-RS port and the DM-RS port;
  • the second receiver receives a first signal and a second signal.
  • the first signal includes a first sub-signal and a second sub-signal.
  • the first sub-signal and the second sub-signal respectively occupy 2 PT-RSs.
  • the second signal carries a plurality of bit blocks;
  • the MCS index indicated by two different fields in the signaling is related to at least one of the indication of the first field in the first signaling or the allocation of the transport layer in the second signal.
  • Figure 1 shows a processing flow chart of a first node according to an embodiment of the present application
  • Figure 2 shows a schematic diagram of a network architecture according to an embodiment of the present application
  • Figure 3 shows a schematic diagram of the wireless protocol architecture of the user plane and control plane according to one embodiment of the present application
  • Figure 4 shows a schematic diagram of a first communication device and a second communication device according to an embodiment of the present application
  • Figure 5 shows a signal transmission flow chart according to an embodiment of the present application
  • Figure 6 shows a schematic diagram illustrating an MCS index associated with determining the time domain density of the second sub-signal according to an embodiment of the present application
  • Figure 7 shows a first DM-RS port, a second DM-RS port, a first bit block, and a second bit according to an embodiment of the present application.
  • Figure 8 shows a schematic diagram illustrating when the first set of conditions is satisfied or not satisfied according to an embodiment of the present application
  • Figure 9 shows a schematic diagram illustrating that the first set of conditions is satisfied according to an embodiment of the present application.
  • Figure 10 shows a schematic diagram of the relationship between the first MCS index range set, the time domain density of the first sub-signal, the second MCS index range set and the time domain density of the second sub-signal according to one embodiment of the present application;
  • Figure 11 shows a schematic diagram illustrating a first signal, a first sub-signal and a second sub-signal according to an embodiment of the present application
  • Figure 12 shows a structural block diagram of a processing device in a first node device according to an embodiment of the present application
  • Figure 13 shows a structural block diagram of a processing device in a second node device according to an embodiment of the present application.
  • Embodiment 1 illustrates a processing flow chart of the first node according to an embodiment of the present application, as shown in Figure 1.
  • the first node in this application receives the first signaling in step 101; and sends the first signal and the second signal in step 102.
  • the first signaling includes a first domain, the first domain is used to indicate the association between the PT-RS port and the DM-RS port; the first signal includes a first sub-signal and a second sub-signal, the first sub-signal and the second sub-signal respectively occupy 2 PT-RS ports, the second signal carries multiple bit blocks; the time domain density of the first sub-signal and Is the time domain density of the second sub-signal associated with the MCS index indicated by the same domain in the first signaling or with the MCS index indicated by two different domains in the first signaling? It is related to at least one of the indication of the first domain in the first signaling or the allocation of the transport layer in the second signal.
  • the first signaling is physical layer signaling.
  • the first signaling includes physical layer signaling.
  • the first signaling is downlink control signaling.
  • the first signaling is a DCI (Downlink control information, downlink control information) format (DCI format).
  • DCI Downlink control information, downlink control information format
  • the first signaling is a DCI signaling.
  • the first signaling is signaling in DCI format.
  • the first node receives the first signaling in a physical layer control channel.
  • the first node receives the first signaling in a PDCCH (Physical downlink control channel).
  • PDCCH Physical downlink control channel
  • the first signaling is DCI format 0_0.
  • the first signaling is DCI format 0_1.
  • the first signaling is DCI format 0_2.
  • the first signaling adopts one of DCI format 0_0, DCI format 0_1 or DCI format 0_2.
  • the first signaling adopts a DCI format other than DCI format 0_0, DCI format 0_1 or DCI format 0_2.
  • the first signaling is an uplink scheduling signaling (UpLink Grant Signaling).
  • UpLink Grant Signaling UpLink Grant Signaling
  • the first signaling is dynamically configured.
  • the first signaling includes layer 1 (L1) signaling.
  • the first signaling includes layer 1 (L1) control signaling.
  • the first signaling includes one or more fields (Field) in a physical layer signaling.
  • the first signaling includes higher layer (Higher Layer) signaling.
  • the first signaling includes one or more fields in a higher layer signaling.
  • the first signaling includes RRC (Radio Resource Control) signaling.
  • RRC Radio Resource Control
  • the first signaling includes MAC CE (Medium Access Control layer Control Element, medium access control layer control element).
  • MAC CE Medium Access Control layer Control Element, medium access control layer control element
  • the first signaling includes one or more fields in an RRC signaling.
  • the first signaling includes one or more domains in a MAC CE.
  • the first signaling includes one or more fields in an IE (Information Element).
  • the first signaling includes SCI (Sidelink Control Information).
  • the first signaling includes one or more fields in a SCI.
  • the first field includes at least one bit.
  • the first field consists of 1 bit.
  • the first field consists of 2 bits.
  • the first field consists of 3 bits.
  • the first field consists of 4 bits.
  • the first domain is the PTRS-DMRS association domain.
  • the name of the first domain includes at least one of PTRS, DMRS or association.
  • the second signal includes a wireless signal.
  • the second signal includes a baseband signal.
  • the second signal includes a frequency band signal.
  • the second signal adopts a codebook-based transmission scheme.
  • the second signal adopts a non-codebook based transmission scheme.
  • the second signal is a PUSCH (Physical uplink shared channel).
  • PUSCH Physical uplink shared channel
  • the second signal includes a PUSCH.
  • the second signal belongs to a PUSCH.
  • the second signal is sent on a PUSCH.
  • the second signal is a PSSCH (Physical sidelink shared channel).
  • PSSCH Physical sidelink shared channel
  • the second signal includes a PSSCH.
  • the second signal belongs to a PSSCH.
  • the second signal is sent on a PSSCH.
  • the second signal carries at least one transport block.
  • the second signal carries a 2-bit block.
  • one bit block carried by the second signal includes multiple bits.
  • one of the bit blocks carried by the second signal includes UL-SCH (Uplink Shared Channel(s)) bits.
  • UL-SCH Uplink Shared Channel(s)
  • one of the bit blocks carried by the second signal is a transport block (TB).
  • TB transport block
  • the statement that the second signal carries multiple bit blocks includes: the second signal includes the encoded bits of each bit block in the multiple bit blocks that have been scrambled, modulated, and layer mapped, Antenna port mapping (Mapping to virtual resource blocks), mapping from virtual resource blocks to physical resource blocks (Mapping from virtual to physical resource blocks), multi-carrier symbol generation, modulation upconversion At least part of the output afterwards.
  • the statement that the second signal carries multiple bit blocks includes: the second signal includes that each bit block in the multiple bit blocks undergoes CRC attachment (CRC attachment), code block division ( Code block segmentation), code block CRC attachment, channel coding, rate matching, code block concatenation, scrambling, modulation, layer mapping ), Transform precoding, Precoding, Mapping to virtual resource blocks, Mapping from virtual to physical resource blocks, multi-carrier Symbol generation modulates the output after at least part of the upconversion.
  • CRC attachment CRC attachment
  • code block division Code block segmentation
  • code block CRC attachment channel coding
  • rate matching code block concatenation
  • scrambling code block concatenation
  • modulation layer mapping
  • Transform precoding Precoding
  • Mapping to virtual resource blocks Mapping from virtual to physical resource blocks
  • multi-carrier Symbol generation modulates the output after at least part of the upconversion.
  • the statement that the second signal carries multiple bit blocks includes: the second signal includes that each bit block in the multiple bit blocks undergoes CRC attachment (CRC attachment), code block division ( Code block segmentation), code block CRC attachment, channel coding, rate matching, code block concatenation, scrambling, modulation, layer mapping ), Antenna port mapping, Precoding, mapping to virtual resource blocks (Mapping to virtual resource blocks), mapping from virtual resource blocks to physical resource blocks (Mapping from virtual to physical resource blocks), multi-carrier symbol generation, at least part of the modulation upconversion the subsequent output.
  • CRC attachment CRC attachment
  • code block division Code block segmentation
  • code block CRC attachment channel coding
  • rate matching code block concatenation
  • scrambling code block concatenation
  • modulation layer mapping
  • Antenna port mapping Precoding, mapping to virtual resource blocks (Mapping to virtual resource blocks), mapping from virtual resource blocks to physical resource blocks (Mapping from virtual to physical resource blocks), multi-carrier symbol generation, at least part of the modulation upconversion
  • the statement that the second signal carries multiple bit blocks includes: the second signal includes that each bit block in the multiple bit blocks undergoes CRC attachment (CRC attachment), code block division ( Code block segmentation), code block CRC attachment, channel coding, rate matching, code block concatenation, scrambling, modulation, layer mapping ), Precoding, Antenna port mapping, Mapping to virtual resource blocks, Mapping from virtual to physical resource blocks, and more Carrier symbol generation modulates the output after at least part of the frequency upconversion.
  • CRC attachment CRC attachment
  • code block division Code block segmentation
  • code block CRC attachment channel coding
  • rate matching code block concatenation
  • scrambling code block concatenation
  • modulation layer mapping
  • Precoding Antenna port mapping
  • Mapping to virtual resource blocks Mapping from virtual to physical resource blocks
  • more Carrier symbol generation modulates the output after at least part of the frequency upconversion.
  • the statement that the second signal carries a plurality of bit blocks includes: the second signal includes a codeword generated for transmitting each bit block in the plurality of bit blocks. modulated symbol signal.
  • the statement that the second signal carries multiple bit blocks includes: the second signal includes a PUSCH, and the modulation generated by the codeword generated by each bit block in the multiple bit blocks Symbols are sent on this PUSCH.
  • the statement that the second signal carries multiple bit blocks includes: the second signal includes a PSSCH, and the modulation generated by the codeword generated by each bit block in the multiple bit blocks Symbols are sent on this PSSCH.
  • the statement that the second signal carries multiple bit blocks includes: the second signal belongs to one PUSCH, and the modulation generated by the codeword generated by each bit block in the multiple bit blocks Symbols are sent on this PUSCH.
  • the statement that the second signal carries multiple bit blocks includes: the second signal belongs to one PSSCH, and the modulation generated by the codeword generated by each bit block in the multiple bit blocks Symbols are sent on this PSSCH.
  • the first signal includes a wireless signal.
  • the first signal includes a baseband signal.
  • the first signal includes a frequency band signal.
  • the first signal includes a reference signal.
  • the first sub-signal and the second sub-signal respectively include signals sent on two PT-RS ports.
  • the first sub-signal and the second sub-signal respectively include PT-RS (Phase-tracking reference signal) sent on two PT-RS ports.
  • PT-RS Phase-tracking reference signal
  • the first sub-signal and the second sub-signal respectively include different parts of a PTRS sent on two PT-RS ports.
  • the time density (time density) of the first sub-signal includes the size of the interval between symbols occupied by the first sub-signal in the time domain.
  • the time domain density (time density) of the first sub-signal is one of ⁇ 4, 2, 1 ⁇ .
  • the time density (time density) of the second sub-signal includes the size of the interval between symbols occupied by the second sub-signal in the time domain.
  • the time density (time density) of the second sub-signal is one of ⁇ 4, 2, 1 ⁇ .
  • the allocation of transmission layers (transmission layer(s)) in the second signal includes: the number of transmission layers occupied by the bit blocks carried by the second signal.
  • the allocation of the transmission layer in the second signal includes: the DM-RS (Demodulation reference signal, demodulation reference signal) to which the transmission layer occupied by the bit block carried by the second signal is mapped. )port.
  • DM-RS Demodulation reference signal, demodulation reference signal
  • the allocation of the transmission layer in the second signal includes: a mapping relationship between the transmission layer occupied by the bit blocks carried by the second signal and the DM-RS port.
  • the first signaling is used to indicate the allocation of the transport layer in the second signal.
  • the first signaling explicitly indicates the allocation of the transport layer in the second signal.
  • the first signaling implicitly indicates the allocation of the transport layer in the second signal.
  • the first signaling is used to determine the mapping relationship between the transmission layer occupied by the bit block carried by the second signal and the DM-RS port.
  • the first signaling is used to indicate the mapping relationship between the transmission layer occupied by the bit block carried by the second signal and the DM-RS port.
  • associating the time domain density of a sub-signal to an MCS index includes the following meanings: multiple MCS index ranges correspond to multiple time domain densities, and the time domain density of a sub-signal is The time domain density corresponding to the MCS index range to which the one MCS index belongs among the multiple MCS index ranges.
  • the multiple MCS index ranges are configurable.
  • the multiple MCS index ranges are configured by RRC signaling.
  • the multiple time domain densities include ⁇ 4, 2, 1 ⁇ .
  • the correspondence between the multiple MCS index ranges and the multiple time domain densities is obtained based on a table.
  • associating the time-domain density of a sub-signal to an MCS index includes the following meaning: the time-domain density of the sub-signal is a function of the MCS index.
  • associating the time domain density of a sub-signal to an MCS index includes the following meaning: the one MCS index indicates the time domain density of the one sub-signal.
  • associating the time domain density of a sub-signal to an MCS index includes the following meaning: the one MCS index explicitly or implicitly indicates the time domain density of the one sub-signal.
  • the first domain in the first signaling is used to indicate the DM-RS port associated with the PT-RS port occupied by the first sub-signal.
  • the first domain in the first signaling is used to indicate the DM-RS port associated with the PT-RS port occupied by the second sub-signal.
  • Embodiment 2 illustrates a schematic diagram of a network architecture according to the present application, as shown in Figure 2.
  • FIG. 2 illustrates a diagram of the network architecture 200 of 5G NR, LTE (Long-Term Evolution, Long-Term Evolution) and LTE-A (Long-Term Evolution Advanced, Enhanced Long-Term Evolution) systems.
  • the 5G NR or LTE network architecture 200 may be called EPS (Evolved Packet System) 200 or some other suitable term.
  • EPS 200 may include one or more UE (User Equipment) 201, NG-RAN (Next Generation Radio Access Network) 202, EPC (Evolved Packet Core)/5G-CN (5G-Core Network) , 5G core network) 210, HSS (Home Subscriber Server, home subscriber server) 220 and Internet service 230.
  • UE User Equipment
  • NG-RAN Next Generation Radio Access Network
  • EPC Evolved Packet Core
  • 5G-CN 5G-Core Network
  • HSS Home Subscriber Server, home subscriber server
  • Internet service 230 Internet service 230.
  • NG-RAN includes NR Node B (gNB) 203 and other gNBs 204.
  • gNB 203 provides user and control plane protocol termination towards UE 201.
  • gNB 203 may connect to other gNBs 204 via the Xn interface (eg, backhaul).
  • gNB 203 may also be called a base station, base transceiver station, radio base station, radio transceiver, transceiver function, basic service set (BSS), extended service set (ESS), TRP (transmitting and receiving node) or some other suitable terminology.
  • gNB203 provides UE201 with an access point to EPC/5G-CN 210.
  • Examples of UE 201 include cellular phones, smart phones, Session Initiation Protocol (SIP) phones, laptop computers, personal digital assistants (PDAs), satellite radio, non-terrestrial base station communications, satellite mobile communications, global positioning systems, multimedia devices , video devices, digital audio players (e.g., MP3 players), cameras, game consoles, drones, aircraft, narrowband IoT devices, machine type communications devices, land vehicles, automobiles, wearable devices, or any Other similar functional devices.
  • SIP Session Initiation Protocol
  • PDAs personal digital assistants
  • satellite radio non-terrestrial base station communications
  • satellite mobile communications global positioning systems
  • multimedia devices video devices
  • digital audio players e.g., MP3 players
  • cameras e.g., digital audio players
  • game consoles e.g., drones, aircraft, narrowband IoT devices, machine type communications devices, land vehicles, automobiles, wearable devices, or any Other similar functional devices.
  • UE 201 may also refer to UE 201 as a mobile station, subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriber station, access terminal, Mobile terminal, wireless terminal, remote terminal, handset, user agent, mobile client, client or some other suitable term.
  • gNB203 is connected to EPC/5G-CN 210 through S1/NG interface.
  • EPC/5G-CN 210 includes MME (Mobility Management Entity, mobility management entity)/AMF (Authentication Management Field, authentication management domain)/UPF (User Plane Function, user plane function) 211, other MME/AMF/UPF 214, S-GW (Service Gateway, Service Gateway) 212 and P-GW (Packet Date Network Gateway, Packet Data Network Gateway) 213.
  • MME/AMF/UPF 211 is the control node that handles signaling between UE 201 and EPC/5G-CN 210. Basically, MME/AMF/UPF211 provides bearer and connection management. All User IP (Internet Protocol) packets are transmitted through S-GW212, and S-GW212 itself is connected to P-GW213.
  • P-GW213 provides UE IP address allocation and other functions.
  • P-GW 213 is connected to Internet service 230.
  • the Internet service 230 includes the operator's corresponding Internet protocol service, which may specifically include the Internet, an intranet, IMS (IP Multimedia Subsystem, IP Multimedia Subsystem), and packet switching streaming services.
  • the UE201 corresponds to the first node in this application.
  • the UE201 corresponds to the second node in this application.
  • the gNB 203 corresponds to the first node in this application.
  • the gNB 203 corresponds to the second node in this application.
  • the UE201 corresponds to the first node in this application
  • the gNB203 corresponds to the second node in this application.
  • the gNB 203 is a macro cellular (MarcoCellular) base station.
  • the gNB 203 is a Micro Cell base station.
  • the gNB 203 is a PicoCell base station.
  • the gNB 203 is a home base station (Femtocell).
  • the gNB 203 is a base station device that supports a large delay difference.
  • the gNB 203 is a flying platform device.
  • the gNB 203 is a satellite device.
  • the first node and the second node in this application both correspond to the UE 201, for example, V2X communication is performed between the first node and the second node.
  • Embodiment 3 shows a schematic diagram of an embodiment of a wireless protocol architecture of a user plane and a control plane according to the present application, as shown in FIG. 3 .
  • Figure 3 is a schematic diagram illustrating an embodiment of a radio protocol architecture for user plane 350 and control plane 300
  • Figure 3 shows with three layers for a first communication node device (UE, gNB or RSU in V2X) and a second Radio protocol architecture of the control plane 300 between the communication node device (gNB, UE or RSU in V2X), or between two UEs: Layer 1, Layer 2 and Layer 3.
  • Layer 1 (L1 layer) is the lowest layer and implements various PHY (physical layer) signal processing functions. The L1 layer will be called PHY301 in this article.
  • Layer 2 (L2 layer) 305 is above the PHY 301 and is responsible for the link between the first communication node device and the second communication node device and the two UEs through the PHY 301.
  • L2 layer 305 includes MAC (Medium Access Control, media access control) sublayer 302, RLC (Radio Link Control, wireless link layer control protocol) sublayer 303 and PDCP (Packet Data Convergence Protocol, packet data convergence protocol) sublayer 304. These sub-layers terminate at the second communication node device.
  • PDCP sublayer 304 provides multiplexing between different radio bearers and logical channels. The PDCP sublayer 304 also provides security by encrypting data packets, and provides handoff support for a first communication node device between second communication node devices.
  • the RLC sublayer 303 provides segmentation and reassembly of upper layer data packets, retransmission of lost data packets, and reordering of data packets to compensate for out-of-order reception due to HARQ.
  • MAC sublayer 302 provides multiplexing between logical and transport channels. The MAC sublayer 302 is also responsible for allocating various radio resources (eg, resource blocks) in a cell among first communication node devices. MAC sublayer 302 is also responsible for HARQ operations.
  • the RRC (Radio Resource Control, radio resource control) sublayer 306 in layer 3 (L3 layer) in the control plane 300 is responsible for obtaining radio resources (ie, radio bearers) and using the second communication node device and the first communication node device.
  • the radio protocol architecture of the user plane 350 includes layer 1 (L1 layer) and layer 2 (L2 layer).
  • the PDCP sublayer 354 in the layer 355, the RLC sublayer 353 in the L2 layer 355, and the MAC sublayer 352 in the L2 layer 355 are generally the same as the corresponding layers and sublayers in the control plane 300, but the PDCP sublayer 354 is also Provides header compression for upper layer packets to reduce radio transmission overhead.
  • the L2 layer 355 in the user plane 350 also includes the SDAP (Service Data Adaptation Protocol, Service Data Adaptation Protocol) sublayer 356.
  • the SDAP sublayer 356 is responsible for the mapping between QoS flows and data radio bearers (DRB, Data Radio Bearer). , to support business diversity.
  • the first communication node device may have several upper layers above the L2 layer 355, including a network layer (eg, IP layer) terminating at the P-GW on the network side and another terminating at the connection.
  • the application layer at one end (e.g., remote UE, server, etc.).
  • the wireless protocol architecture in Figure 3 is applicable to the first node in this application.
  • the wireless protocol architecture in Figure 3 is applicable to the second node in this application.
  • the first signaling in this application is generated in the MAC sublayer 302.
  • the first signaling in this application is generated in the MAC sublayer 352.
  • the first signaling in this application is generated in the PHY301.
  • the first signaling in this application is generated in the PHY351.
  • one of the bit blocks in this application is generated in the SDAP sublayer 356.
  • one of the bit blocks in this application is generated in the RRC sublayer 306.
  • one of the bit blocks in this application is generated in the MAC sublayer 302.
  • one of the bit blocks in this application is generated in the MAC sublayer 352.
  • one of the bit blocks in this application is generated in the PHY301.
  • one of the bit blocks in this application is generated in the PHY351.
  • Embodiment 4 shows a schematic diagram of a first communication device and a second communication device according to the present application, as shown in FIG. 4 .
  • Figure 4 is a block diagram of a first communication device 410 and a second communication device 450 communicating with each other in the access network.
  • the first communication device 410 includes a controller/processor 475, a memory 476, a receive processor 470, a transmit processor 416, a multi-antenna receive processor 472, a multi-antenna transmit processor 471, a transmitter/receiver 418 and an antenna 420.
  • the second communication device 450 includes a controller/processor 459, a memory 460, a data source 467, a transmit processor 468, a receive processor 456, a multi-antenna transmit processor 457, a multi-antenna receive processor 458, a transmitter/receiver 454 and antenna 452.
  • Controller/processor 475 implements the functionality of the L2 layer.
  • the controller/processor 475 provides header compression, encryption, packet segmentation and reordering, multiplexing between logical and transport channels Multiplexing, and radio resource allocation to the second communication device 450 based on various priority metrics.
  • the controller/processor 475 is also responsible for retransmission of lost packets, and signaling to the second communications device 450 .
  • Transmit processor 416 and multi-antenna transmit processor 471 implement various signal processing functions for the L1 layer (ie, physical layer).
  • the transmit processor 416 implements encoding and interleaving to facilitate forward error correction (FEC) at the second communications device 450, as well as based on various modulation schemes (e.g., binary phase shift keying (BPSK), quadrature phase shift Mapping of signal clusters for M-phase shift keying (QPSK), M-phase shift keying (M-PSK), M-quadrature amplitude modulation (M-QAM)).
  • FEC forward error correction
  • BPSK binary phase shift keying
  • QPSK quadrature phase shift Mapping of signal clusters for M-phase shift keying
  • M-PSK M-phase shift keying
  • M-QAM M-quadrature amplitude modulation
  • the multi-antenna transmit processor 471 performs digital spatial precoding on the coded and modulated symbols, including codebook-based precoding and non-codebook-based precoding, and beamforming processing to generate one or more spatial streams. Transmit processor 416 then maps each spatial stream to a subcarrier, multiplexes it with a reference signal (eg, a pilot) in the time and/or frequency domain, and then uses an inverse fast Fourier transform (IFFT) to generate A physical channel carrying a stream of time-domain multi-carrier symbols. Then the multi-antenna transmit processor 471 performs transmit analog precoding/beamforming operations on the time domain multi-carrier symbol stream. Each transmitter 418 converts the baseband multi-carrier symbol stream provided by the multi-antenna transmit processor 471 into a radio frequency stream, which is then provided to a different antenna 420.
  • IFFT inverse fast Fourier transform
  • each receiver 454 receives the signal via its respective antenna 452 at the second communications device 450 .
  • Each receiver 454 recovers the information modulated onto the radio frequency carrier and converts the radio frequency stream into a baseband multi-carrier symbol stream that is provided to a receive processor 456 .
  • the receive processor 456 and the multi-antenna receive processor 458 implement various signal processing functions of the L1 layer.
  • Multi-antenna receive processor 458 performs receive analog precoding/beamforming operations on the baseband multi-carrier symbol stream from receiver 454.
  • the receive processor 456 converts the baseband multi-carrier symbol stream after the received analog precoding/beamforming operation from the time domain to the frequency domain using a Fast Fourier Transform (FFT).
  • FFT Fast Fourier Transform
  • the physical layer data signal and the reference signal are demultiplexed by the receiving processor 456, where the reference signal will be used for channel estimation, and the data signal is recovered after multi-antenna detection in the multi-antenna receiving processor 458.
  • the second communication device 450 is any spatial stream that is the destination. The symbols on each spatial stream are demodulated and recovered in the receive processor 456, and soft decisions are generated.
  • the receive processor 456 then decodes and deinterleaves the soft decisions to recover upper layer data and control signals transmitted by the first communications device 410 on the physical channel.
  • Controller/processor 459 implements the functions of the L2 layer. Controller/processor 459 may be associated with memory 460 which stores program code and data. Memory 460 may be referred to as computer-readable media.
  • the controller/processor 459 In transmission from the first communication device 410 to the second communication device 450, the controller/processor 459 provides demultiplexing between transport and logical channels, packet reassembly, decryption, header decompression , control signal processing to recover upper layer packets from the core network. The upper layer packets are then provided to all protocol layers above the L2 layer. Various control signals may also be provided to L3 for L3 processing.
  • a data source 467 is used to provide upper layer data packets to a controller/processor 459.
  • Data source 467 represents all protocol layers above the L2 layer.
  • the controller/processor 459 implements headers based on radio resource allocation Compression, encryption, packet segmentation and reordering, and multiplexing between logical and transport channels, implement L2 layer functions for the user plane and control plane.
  • the controller/processor 459 is also responsible for retransmission of lost packets, and signaling to the first communications device 410 .
  • the transmit processor 468 performs modulation mapping and channel coding processing, and the multi-antenna transmit processor 457 performs digital multi-antenna spatial precoding, including codebook-based precoding and non-codebook-based precoding, and beam forming processing, and then transmits
  • the processor 468 modulates the generated spatial stream into a multi-carrier/single-carrier symbol stream, which undergoes analog precoding/beamforming operations in the multi-antenna transmit processor 457 and then is provided to different antennas 452 via the transmitter 454.
  • Each transmitter 454 first converts the baseband symbol stream provided by the multi-antenna transmission processor 457 into a radio frequency symbol stream, and then provides it to the antenna 452.
  • the functionality at the first communication device 410 is similar to that in the transmission from the first communication device 410 to the second communication device 450.
  • the reception function at the second communication device 450 is described in the transmission.
  • Each receiver 418 receives radio frequency signals through its corresponding antenna 420, converts the received radio frequency signals into baseband signals, and provides the baseband signals to multi-antenna receive processor 472 and receive processor 470.
  • the receiving processor 470 and the multi-antenna receiving processor 472 jointly implement the functions of the L1 layer.
  • Controller/processor 475 implements L2 layer functions. Controller/processor 475 may be associated with memory 476 that stores program code and data. Memory 476 may be referred to as computer-readable media.
  • the controller/processor 475 In transmission from the second communications device 450 to the first communications device 410, the controller/processor 475 provides demultiplexing between transport and logical channels, packet reassembly, decryption, header decompression , control signal processing to recover upper layer data packets from UE450. Upper layer packets from controller/processor 475 may be provided to the core network.
  • the first node in this application includes the second communication device 450
  • the second node in this application includes the first communication device 410 .
  • the first node is user equipment
  • the second node is user equipment
  • the first node is user equipment
  • the second node is a relay node
  • the first node is a relay node
  • the second node is user equipment
  • the first node is user equipment
  • the second node is base station equipment
  • the first node is a relay node
  • the second node is a base station device
  • the second node is user equipment
  • the first node is base station equipment
  • the second node is a relay node
  • the first node is a base station device
  • the second communication device 450 includes: at least one controller/processor; the at least one controller/processor is responsible for HARQ operations.
  • the first communication device 410 includes: at least one controller/processor; the at least one controller/processor is responsible for HARQ operations.
  • the first communication device 410 includes: at least one controller/processor; the at least one controller/processor is responsible for using positive acknowledgment (ACK) and/or negative acknowledgment (NACK). ) protocol performs error detection to support HARQ operation.
  • ACK positive acknowledgment
  • NACK negative acknowledgment
  • the second communication device 450 includes: at least one processor and at least one memory, the at least one memory includes computer program code; the at least one memory and the computer program code are configured to interact with the At least one processor is used together.
  • the second communication device 450 at least: receives first signaling, the first signaling including a first field, the first field being used to indicate the association between the PT-RS port and the DM-RS port; Send a first signal and a second signal, the first signal includes a first sub-signal and a second sub-signal, the first sub-signal and the second sub-signal occupy two PT-RS ports respectively, and the third sub-signal
  • the second signal carries multiple bit blocks; wherein the time domain density of the first sub-signal and the time domain density of the second sub-signal are associated to the MCS index indicated by the same domain in the first signaling Or are they respectively associated with both the MCS index indicated by two different domains in the first signaling and the indication of the first domain in the first signaling or the allocation
  • the second communication device 450 corresponds to the first node in this application.
  • the second communication device 450 includes: a memory that stores a program of computer-readable instructions that, when executed by at least one processor, generates actions, and the actions include: receiving a first A signaling, the first signaling includes a first domain, the first domain is used to indicate the association between the PT-RS port and the DM-RS port; sending a first signal and a second signal, the third A signal includes a first sub-signal and a second sub-signal, the first sub-signal and the second sub-signal respectively occupy 2 PT-RS ports, and the second signal carries multiple bit blocks; wherein, the Whether the time domain density of the first sub-signal and the time domain density of the second sub-signal are associated with the MCS index indicated by the same domain in the first signaling, or are associated with two separate fields in the first signaling.
  • the MCS index indicated by two different fields is related to at least one of the indication of the first domain in the first signaling or the allocation of the transport layer in the second signal.
  • the second communication device 450 corresponds to the first node in this application.
  • the first communication device 410 includes: at least one processor and at least one memory, the at least one memory includes computer program code; the at least one memory and the computer program code are configured to interact with the At least one processor is used together.
  • the first communication device 410 at least: sends first signaling, the first signaling including a first field, the first field being used to indicate the association between the PT-RS port and the DM-RS port; Receive a first signal and a second signal, the first signal includes a first sub-signal and a second sub-signal, the first sub-signal and the second sub-signal occupy two PT-RS ports respectively, and the third sub-signal is
  • the second signal carries multiple bit blocks; wherein the time domain density of the first sub-signal and the time domain density of the second sub-signal are associated to the MCS index indicated by the same domain in the first signaling Or are they respectively associated with both the MCS index indicated by two different domains in the first signaling and the indication of the first domain in the first signaling or the
  • the first communication device 410 corresponds to the second node in this application.
  • the first communication device 410 includes: a memory that stores a program of computer-readable instructions that, when executed by at least one processor, generates actions, and the actions include: sending a first A signaling, the first signaling includes a first domain, the first domain is used to indicate the association between the PT-RS port and the DM-RS port; receiving the first signal and the second signal, the third A signal includes a first sub-signal and a second sub-signal, the first sub-signal and the second sub-signal respectively occupy 2 PT-RS ports, and the second signal carries multiple bit blocks; wherein, the Whether the time domain density of the first sub-signal and the time domain density of the second sub-signal are associated with the MCS index indicated by the same domain in the first signaling, or are associated with two separate fields in the first signaling.
  • the MCS index indicated by two different fields is related to at least one of the indication of the first domain in the first signaling or the allocation of the transport layer in the second signal.
  • the first communication device 410 corresponds to the second node in this application.
  • the antenna 452 the receiver 454, the multi-antenna receiving processor 458, the receiving processor 456, the controller/processor 459, the memory 460, the data At least one of the sources 467 ⁇ is used to receive the first signaling in this application.
  • At least one of ⁇ the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, the controller/processor 475, and the memory 476 ⁇ One is used to send the first signaling in this application.
  • the antenna 452 the transmitter 454, the multi-antenna transmit processor 458, the transmit processor 468, the controller/processor 459, the memory 460, the data At least one of the sources 467 ⁇ is used to transmit the first signal and the second signal in this application.
  • At least one of ⁇ the antenna 420, the receiver 418, the multi-antenna receiving processor 472, the receiving processor 470, the controller/processor 475, and the memory 476 ⁇ One is used to receive the first signal and the second signal in this application.
  • Embodiment 5 illustrates a signal transmission flow chart according to an embodiment of the present application, as shown in FIG. 5 .
  • the first node U1 and the second node U2 communicate through the air interface.
  • the first node U1 receives the first signaling in step S511 and sends the first signal and the second signal in step S512.
  • the second node U2 sends the first signaling in step S521 and receives the first signal and the second signal in step S522.
  • the first signaling includes a first domain, the first domain is used to indicate the association between the PT-RS port and the DM-RS port; the first signal includes a first sub-signal and a second sub-signal, the first sub-signal and the second sub-signal respectively occupy 2 PT-RS ports, the second signal carries multiple bit blocks; the time domain density of the first sub-signal and Is the time domain density of the second sub-signal associated with the MCS index indicated by the same domain in the first signaling or with the MCS index indicated by two different domains in the first signaling?
  • the first MCS index range set includes a plurality of MCS index ranges, so The multiple MCS index ranges in the first MCS index range set respectively correspond to multiple time domain densities, and the time domain density of the first sub-signal is indicated by a domain in the first signaling.
  • the second MCS index range set includes multiple MCS index ranges, the second MCS The multiple MCS index ranges in the index range set respectively correspond to multiple time domain densities, and the time domain density of the second sub-signal is the MCS index indicated by a field in the first signaling.
  • the first signal includes the first PT-RS
  • the first sub-signal includes the The part of the first PT-RS that occupies the first PT-RS port
  • the second sub-signal includes the part of the first PT-RS that occupies the second PT-RS port.
  • the time domain density of the first sub-signal is associated with the MCS index indicated by a given domain in the first signaling; when the When the first domain indicates that the PT-RS port occupied by the second sub-signal is associated with the first DM-RS port, the time domain density of the second sub-signal is associated with the first signaling.
  • the MCS index indicated by the given field when the first field in the first signaling indicates that the PT-RS port occupied by the second sub-signal is associated with the second DM-RS port
  • the time domain density of the second sub-signal is associated with the MCS index indicated by a domain outside the given domain in the first signaling
  • the first DM-RS port and the The second DM-RS port shares the PT-RS port occupied by the second sub-signal
  • the first DM-RS port and the second DM-RS port respectively correspond to the first bit block and the second bit block
  • the second signal carries the first bit block and the second bit block
  • the first bit block and the second bit block are respectively one transmission block.
  • the second signal carries a first bit block and a second bit block; when the first set of conditions is satisfied, the time domain density of the first sub-signal and the The time domain density of the second sub-signal is respectively associated with the MCS index indicated by two different domains in the first signaling; when the first condition set is not satisfied, the first sub-signal The time domain density and the time domain density of the second sub-signal are associated with the MCS index indicated by the same domain in the first signaling; the first condition set and the first bit block occupy It is related to at least one of the transport layer or the transport layer occupied by the second bit block.
  • the first node U1 is the first node in this application.
  • the second node U2 is the second node in this application.
  • the first node U1 is a UE.
  • the first node U1 is a base station.
  • the second node U2 is a base station.
  • the second node U2 is a UE.
  • the air interface between the second node U2 and the first node U1 is a Uu interface.
  • the air interface between the second node U2 and the first node U1 includes a cellular link.
  • the air interface between the second node U2 and the first node U1 is a PC5 interface.
  • the air interface between the second node U2 and the first node U1 includes a side link.
  • the air interface between the second node U2 and the first node U1 includes a wireless interface between the base station equipment and the user equipment.
  • the air interface between the second node U2 and the first node U1 includes a wireless interface between satellite equipment and user equipment.
  • the air interface between the second node U2 and the first node U1 includes a wireless interface between user equipment and user equipment.
  • the problems to be solved by this application include: how to determine the time domain density of PT-RS.
  • the problems to be solved by this application include: how to determine the time domain density of PT-RS based on the correlation between the PT-RS port and the DM-RS port.
  • the problems to be solved by this application include: how to determine whether the signals sent on two PT-RS ports have the same time domain density.
  • the problems to be solved by this application include: how to determine the MCS index associated with the PT-RS port.
  • the problems to be solved by this application include: how to improve the utilization efficiency of PT-RS or reduce the resource overhead of PT-RS.
  • the problems to be solved by this application include: how to enhance the transmission performance of the uplink.
  • Embodiment 6 illustrates an explanation of determining the MCS index associated with the time domain density of the second sub-signal according to an embodiment of the present application.
  • Schematic diagram as shown in Figure 6.
  • S61 the DM-RS port associated with the PT-RS port occupied by the second sub-signal is determined based on the indication of the first domain in the first signaling; in S62, the second sub-signal The time domain density of the second sub-signal is associated with the MCS index indicated by the given domain in the first signaling; in S63, the time domain density of the second sub-signal is associated with the MCS index indicated by a domain other than the given domain in the first signaling. MCS index.
  • the time domain density of the first sub-signal is associated with the MCS index indicated by a given domain in the first signaling; when the first When the domain indicates that the PT-RS port occupied by the second sub-signal is associated with the first DM-RS port, the time domain density of the second sub-signal is associated with the given port in the first signaling.
  • the MCS index indicated by the local domain when the first domain in the first signaling indicates that the PT-RS port occupied by the second sub-signal is associated with the second DM-RS port, the The time domain density of the second sub-signal is associated with the MCS index indicated by a domain outside the given domain in the first signaling; the first DM-RS port and the second DM-RS port The RS port shares the PT-RS port occupied by the second sub-signal.
  • the given domain in the first signaling and the one domain outside the given domain in the first signaling are respectively aimed at different bit blocks.
  • the given domain in the first signaling and the one domain outside the given domain in the first signaling respectively indicate MCS (Modulation and Modulation) for different transport blocks.
  • MCS Modulation and Modulation
  • coding scheme, modulation and coding strategy For different transport blocks.
  • the given domain in the first signaling and the one domain outside the given domain in the first signaling are Modulation and coding scheme domains for different transport blocks respectively. .
  • the given domain in the first signaling and the one domain outside the given domain in the first signaling are Modulation and coding scheme domains for transport block 1 respectively. and Modulation and coding scheme fields for transport block 2.
  • the given domain in the first signaling and the one domain outside the given domain in the first signaling are Modulation and coding scheme domains for transport block 2 respectively. and Modulation and coding scheme fields for transport block 1.
  • the given domain in the first signaling and the one domain outside the given domain in the first signaling are Modulation and coding scheme domains for transport block 1 respectively. and Modulation and coding scheme fields for transport block 0.
  • the given domain in the first signaling and the one domain outside the given domain in the first signaling are Modulation and coding scheme domains for transport block 0 respectively. and Modulation and coding scheme fields for transport block 1.
  • the given field in the first signaling includes 5 bits.
  • the one field outside the given field in the first signaling includes 5 bits.
  • the given field in the first signaling includes 6 bits.
  • the one field outside the given field in the first signaling includes 6 bits.
  • the given field in the first signaling includes 7 bits.
  • the one field outside the given field in the first signaling includes 7 bits.
  • the given field in the first signaling includes 8 bits.
  • the one field outside the given field in the first signaling includes 8 bits.
  • the time domain density of the first sub-signal is associated with the MCS index indicated by a given domain in the first signaling; when the first domain in the first signaling When indicating that the PT-RS port occupied by the second sub-signal is associated with the first DM-RS port, the time domain density of the second sub-signal is associated with the given value in the first signaling.
  • the first DM-RS port and the second DM-RS port share the PT-RS port occupied by the second sub-signal.
  • the first DM-RS port and the second DM-RS port are used to send a first bit block and a second bit block respectively, and the second signal carries the first bit block and The second block of bits.
  • the first DM-RS port and the second DM-RS port are associated to the PT-RS port occupied by the second sub-signal based on the configuration of higher layer signaling.
  • the first DM-RS port and the second DM-RS port are associated to the PT-RS port occupied by the second sub-signal based on the indication of the first signaling.
  • the first signaling indicates a first DM-RS port set
  • the first DM-RS port set includes at least a first DM-RS port and second DM-RS port.
  • the time domain density of the first sub-signal is associated with the MCS index indicated by a given domain in the first signaling; when the first domain in the first signaling When indicating that the PT-RS port occupied by the second sub-signal is associated with any DM-RS port in the first DM-RS port subset, the time domain density of the second sub-signal is associated with the first DM-RS port.
  • the MCS index indicated by the given field in a signaling when the first field in the first signaling indicates that the PT-RS port occupied by the second sub-signal is associated with the second
  • the time domain density of the second sub-signal is associated with the MCS indicated by a domain outside the given domain in the first signaling. index.
  • the first signaling indicates a first DM-RS port set, and both the first DM-RS port subset and the second DM-RS port subset belong to the first DM-RS Port collection.
  • the first DM-RS port belongs to the first DM-RS port subset
  • the second DM-RS port belongs to the second DM-RS port subset
  • the first DM-RS port and the second DM-RS port belong to the same DM-RS CDM group.
  • the first DM-RS port and the second DM-RS port are respectively associated with different transport blocks.
  • the first DM-RS port and the second DM-RS port are respectively used for different transport blocks.
  • the first DM-RS port and the second DM-RS port respectively correspond to the first transmission layer and the second transmission layer, and the first transmission layer and the second transmission layer are respectively mapped to Different codewords.
  • the first DM-RS port and the second DM-RS port are respectively mapped to a first transmission layer and a second transmission layer, and the first transmission layer and the second transmission layer are respectively mapped to to different codewords.
  • associating a PT-RS port to a DM-RS port includes the following meaning: from the channel used to transmit the signal sent on this PT-RS port, it can be inferred that the channel used to transmit the signal sent on this DM-RS port The channel of the signal being sent on the RS port.
  • associating a PT-RS port to a DM-RS port includes the following meaning: from the channel used to transmit the signal sent on this DM-RS port, it can be inferred that the channel used to transmit the signal on this PT-RS port The channel of the signal being sent on the RS port.
  • the PT-RS port occupied by the second sub-signal is PT-RS port 0 (PT-RS port 0).
  • the PT-RS port occupied by the second sub-signal is PT-RS port 1 (PT-RS port 1).
  • the PT-RS port occupied by the first sub-signal is PT-RS port 0 (PT-RS port 0).
  • the PT-RS port occupied by the first sub-signal is PT-RS port 1 (PT-RS port 1).
  • the first signaling is used to indicate the DM-RS port associated with the PT-RS port occupied by the first sub-signal.
  • the MCS index indicated by the given field in the first signaling is used to map to at least the DM-RS port associated with the PT-RS port occupied by the first sub-signal. MCS index of the codeword of the RS port.
  • Embodiment 7 illustrates a schematic diagram of the relationship between the first DM-RS port, the second DM-RS port, the first bit block, the second bit block and the second signal according to an embodiment of the present application, as shown in Figure 7 shown.
  • the first DM-RS port and the second DM-RS port correspond to a first bit block and a second bit block respectively, and the second signal carries the first bit block and the Second block of bits.
  • the first bit block and the second bit block are respectively mapped to different codewords.
  • the first bit block and the second bit block are mapped to codeword 0 and codeword 1 respectively.
  • the first bit block and the second bit block are mapped to codeword 1 and codeword 0 respectively.
  • the first bit block and the second bit block respectively include different transport blocks.
  • the first bit block and the second bit block include transmission block 1 and transmission block 2 respectively.
  • the first bit block and the second bit block include transmission block 2 and transmission block 1 respectively.
  • the first bit block and the second bit block include transport block 0 and transport block 1 respectively.
  • the first bit block and the second bit block include transport block 1 and transport block 0 respectively.
  • the expression that the first DM-RS port and the second DM-RS port respectively correspond to the first bit block and the second bit block includes: the first DM-RS port and the third The two DM-RS ports are respectively mapped to the first transport layer and the second transport layer, and the A transport layer and the second transport layer are respectively mapped to the first bit block and the second bit block.
  • the expression that the first DM-RS port and the second DM-RS port respectively correspond to the first bit block and the second bit block includes: the first DM-RS port and the third Two DM-RS ports are used to infer the channel used to transmit the first bit block and the channel used to transmit the second bit block respectively.
  • the expression that the first DM-RS port and the second DM-RS port respectively correspond to the first bit block and the second bit block includes: the first DM-RS port and the third Two DM-RS ports are respectively associated with the first bit block and the second bit block.
  • the expression that the first DM-RS port and the second DM-RS port respectively correspond to the first bit block and the second bit block includes: the first DM-RS port and the third The two DM-RS ports are respectively mapped to the first transmission layer and the second transmission layer, and the first bit block and the second bit block respectively occupy the first transmission layer and the second transmission layer.
  • Embodiment 8 illustrates an illustrative diagram when the first set of conditions is satisfied or not satisfied according to an embodiment of the present application, as shown in FIG. 8 .
  • the time domain density of the first sub-signal and the time domain density of the second sub-signal are respectively associated with the first signaling.
  • the time domain density of the first sub-signal and the time domain density of the second sub-signal are respectively associated with the first signaling.
  • the two different fields in the first signaling are Modulation and coding scheme fields for different transport blocks respectively.
  • the two different fields in the first signaling are the Modulation and coding scheme field for transport block 1 and the Modulation and coding scheme field for transport block 2 respectively.
  • the two different fields in the first signaling are the Modulation and coding scheme field for transport block 2 and the Modulation and coding scheme field for transport block 1 respectively.
  • the two different fields in the first signaling are the Modulation and coding scheme field for transport block 1 and the Modulation and coding scheme field for transport block 0 respectively.
  • the two different fields in the first signaling are the Modulation and coding scheme field for transport block 0 and the Modulation and coding scheme field for transport block 1 respectively.
  • a field indicating the MCS index in the first signaling includes 5 bits.
  • a field indicating the MCS index in the first signaling includes 6 bits.
  • a field indicating the MCS index in the first signaling includes 7 bits.
  • a field indicating the MCS index in the first signaling includes 8 bits.
  • the same domain in the first signaling is the Modulation and coding scheme domain.
  • the same field in the first signaling is the Modulation and coding scheme field for transport block 1.
  • the same domain in the first signaling is the Modulation and coding scheme domain for transport block 2 and the Modulation and coding scheme domain for transport block 1.
  • the same field in the first signaling is the Modulation and coding scheme field for transport block 0.
  • the second signal carries a first bit block and a second bit block.
  • the first set of conditions when all conditions in the first set of conditions are met, the first set of conditions is met; when any condition in the set of first conditions is not met, the first set of conditions is met. A set of conditions is not satisfied.
  • the first condition set when all conditions in the first condition set are not satisfied, the first condition set is not satisfied; when any condition in the first condition set is satisfied, the first condition set is not satisfied. The first set of conditions is satisfied.
  • the first set of conditions is related to the transmission layer occupied by the first bit block or the transmission layer occupied by the second bit block.
  • the transmission layer is related to at least one of the two.
  • the first condition set is related to at least one of the number of transmission layers occupied by the first bit block or the number of transmission layers occupied by the second bit block.
  • the first set of conditions is related to the mapping relationship between the transmission layer and the DM-RS CDM group (CDM group) in the second signal.
  • the first condition set is related to the mapping relationship between the transmission layer and the DM-RS port in the second signal.
  • the first condition set is related to the association relationship between the DM-RS port and the PT-RS port.
  • At least one of the first set of conditions and the transmission layer occupied by the first bit block or the transmission layer occupied by the second bit block and the DM-RS port related to the mapping relationship are provided.
  • the DM-RS port to which at least one of the first condition set and the transmission layer occupied by the first bit block or the transmission layer occupied by the second bit block is mapped It is related to the association between PT-RS ports.
  • the first condition set includes: a DM-RS port to which at least one transmission layer occupied by the first bit block is mapped and a DM-RS port to which at least one transmission layer occupied by the second bit block is mapped.
  • the DM-RS ports reached belong to the same CDM group.
  • the first condition set includes: a DM-RS port to which at least one transmission layer occupied by the first bit block is mapped and a DM-RS port to which at least one transmission layer occupied by the second bit block is mapped.
  • the first condition set includes: the DM-RS port mapped to any transport layer occupied by the first bit block is associated with the PT-RS port occupied by the first sub-signal and The DM-RS port to which any transport layer occupied by the second bit block is mapped is associated with the PT-RS port occupied by the second sub-signal.
  • the first condition set includes: the DM-RS port mapped to any transport layer occupied by the first bit block is associated with the PT-RS port occupied by the second sub-signal and The DM-RS port to which any transport layer occupied by the second bit block is mapped is associated with the PT-RS port occupied by the first sub-signal.
  • the first condition set includes: the DM-RS port mapped to any transport layer occupied by the first bit block is associated with the PT-RS port occupied by the first sub-signal and The DM-RS port to which any transmission layer occupied by the second bit block is mapped is associated with the PT-RS port occupied by the second sub-signal, or any one of the transport layers occupied by the first bit block is The DM-RS port mapped to the transport layer is associated with the PT-RS port occupied by the second sub-signal, and the DM-RS port mapped to any transport layer occupied by the second bit block is associated with the The PT-RS port occupied by the first sub-signal.
  • the first condition set includes: the DM-RS port with the smallest index mapped to the transport layer occupied by the first bit block is associated with the PT-RS port occupied by the first sub-signal. And the DM-RS port with the smallest index mapped to the transport layer occupied by the second bit block is associated with the PT-RS port occupied by the second sub-signal.
  • the first set of conditions includes: the DM-RS port with the smallest index mapped to the transport layer occupied by the first bit block is associated with the PT-RS port occupied by the second sub-signal. And the DM-RS port with the smallest index mapped to the transport layer occupied by the second bit block is associated with the PT-RS port occupied by the first sub-signal.
  • the first condition set includes: the DM-RS port with the smallest index mapped to the transport layer occupied by the first bit block is associated with the PT-RS port occupied by the first sub-signal. And the DM-RS port with the smallest index mapped to the transport layer occupied by the second bit block is associated with the PT-RS port occupied by the second sub-signal, or the DM-RS port occupied by the first bit block.
  • the DM-RS port with the smallest index mapped to the transport layer is associated with the PT-RS port occupied by the second sub-signal and the DM-RS with the smallest index mapped to the transport layer occupied by the second bit block
  • the port is associated with the PT-RS port occupied by the first sub-signal.
  • the first set of conditions includes: the DM-RS port with the largest index mapped to the transport layer occupied by the first bit block is associated with the PT-RS port occupied by the first sub-signal. And the DM-RS port with the largest index mapped to the transport layer occupied by the second bit block is associated with the PT-RS port occupied by the second sub-signal.
  • the first condition set includes: the DM-RS port with the largest index mapped to the transport layer occupied by the first bit block is associated with the PT-RS port occupied by the second sub-signal. And the DM-RS port with the largest index mapped to the transport layer occupied by the second bit block is associated with the PT-RS port occupied by the first sub-signal.
  • the first set of conditions includes: the DM-RS port with the largest index mapped to the transport layer occupied by the first bit block is associated with the PT-RS port occupied by the first sub-signal. And the DM-RS port with the largest index mapped to the transport layer occupied by the second bit block is associated with the PT-RS port occupied by the second sub-signal, or the DM-RS port occupied by the first bit block transmission.
  • the DM-RS port with the largest index to which the layer is mapped is associated with the PT-RS port occupied by the second sub-signal and the DM-RS port with the largest index to which the transport layer occupied by the second bit block is mapped Associated with the PT-RS port occupied by the first sub-signal.
  • the first set of conditions includes: a transmission layer occupied by the first bit block is mapped to a DM-RS port with the largest index associated with the PT-RS port occupied by the first sub-signal. And a transmission layer occupied by the second bit block is mapped to the DM-RS port with the largest index associated with the PT-RS port occupied by the second sub-signal.
  • the first condition set includes: a transmission layer occupied by the first bit block is mapped to a DM-RS port with the largest index associated with the PT-RS port occupied by the second sub-signal. And a transmission layer occupied by the second bit block is mapped to the DM-RS port with the largest index associated with the PT-RS port occupied by the first sub-signal.
  • the first set of conditions includes: a transmission layer occupied by the first bit block is mapped to a DM-RS port with the largest index associated with the PT-RS port occupied by the first sub-signal. And a transmission layer occupied by the second bit block is mapped to the DM-RS port with the largest index associated with the PT-RS port occupied by the second sub-signal, or, the DM-RS port occupied by the first bit block.
  • One transmission layer is mapped to the DM-RS port with the largest index associated with the PT-RS port occupied by the second sub-signal, and one transmission layer occupied by the second bit block is mapped to the DM-RS port occupied by the first sub-signal.
  • the DM-RS port with the largest index associated with the occupied PT-RS port is mapped to a DM-RS port with the largest index associated with the PT-RS port.
  • the first set of conditions includes: a transmission layer occupied by the first bit block is mapped to a DM-RS port with the smallest index associated with the PT-RS port occupied by the first sub-signal. And a transmission layer occupied by the second bit block is mapped to the DM-RS port with the smallest index associated with the PT-RS port occupied by the second sub-signal.
  • the first set of conditions includes: a transmission layer occupied by the first bit block is mapped to a DM-RS port with the smallest index associated with the PT-RS port occupied by the second sub-signal. And a transmission layer occupied by the second bit block is mapped to the DM-RS port with the smallest index associated with the PT-RS port occupied by the first sub-signal.
  • the first set of conditions includes: a transmission layer occupied by the first bit block is mapped to a DM-RS port with the smallest index associated with the PT-RS port occupied by the first sub-signal. And a transmission layer occupied by the second bit block is mapped to the DM-RS port with the smallest index associated with the PT-RS port occupied by the second sub-signal, or, the DM-RS port occupied by the first bit block One transmission layer is mapped to the DM-RS port with the smallest index associated with the PT-RS port occupied by the second sub-signal, and one transmission layer occupied by the second bit block is mapped to the DM-RS port occupied by the first sub-signal. The DM-RS port with the smallest index associated with the occupied PT-RS port.
  • the first condition set includes: the number of transmission layers occupied by the first bit block belongs to a first quantity set, and the first quantity set includes at least one quantity.
  • the first condition set includes: one of the number of transport layers occupied by the first bit block or the number of transport layers occupied by the second bit block belongs to the first quantity set.
  • the first quantity set includes at least one quantity.
  • the first bit block occupies at least one transmission layer
  • the second bit block occupies at least one transmission layer
  • a transmission layer occupied by the first bit block is a transmission layer to which the codeword mapped to the first bit block is mapped.
  • a transmission layer occupied by the second bit block is a transmission layer to which the codeword mapped to the second bit block is mapped.
  • a transport layer occupied by the first bit block is used to carry at least part of the coded bits generated by the first bit block.
  • a transport layer occupied by the second bit block is used to carry at least part of the coded bits generated by the second bit block.
  • a transmission layer occupied by the first bit block is used to map at least part of the modulation symbols generated by the coded bits generated by the first bit block.
  • a transmission layer occupied by the second bit block is used to map at least part of the modulation symbols generated by the coded bits generated by the second bit block.
  • the first signaling is used to indicate the transport layer occupied by the first bit block.
  • the first signaling is used to indicate the transport layer occupied by the second bit block.
  • the first signaling explicitly indicates the transport layer occupied by the first bit block.
  • the first signaling explicitly indicates the transport layer occupied by the second bit block.
  • the first signaling implicitly indicates the transport layer occupied by the first bit block.
  • the first signaling implicitly indicates the transport layer occupied by the second bit block.
  • Embodiment 9 illustrates an illustrative diagram in which the first set of conditions is satisfied according to an embodiment of the present application, as shown in FIG. 9 .
  • Embodiment 9 when the number of transmission layers occupied by the first bit block belongs to the first set of numbers, the first set of conditions is satisfied.
  • the first quantity set includes at least one quantity.
  • the first quantity set includes ⁇ 2, 3 ⁇ .
  • the first quantity set includes ⁇ 3 ⁇ .
  • the first quantity set includes ⁇ 2, 3, 4, 5, 6, 7 ⁇ .
  • the first quantity set includes ⁇ 3, 4, 5, 6, 7 ⁇ .
  • the first quantity set includes ⁇ 4, 5, 6, 7 ⁇ .
  • the first quantity set includes ⁇ 5, 6, 7 ⁇ .
  • the first quantity set includes ⁇ 6, 7 ⁇ .
  • the first quantity set includes ⁇ 7 ⁇ .
  • Embodiment 10 illustrates a schematic diagram of the relationship between the first MCS index range set, the time domain density of the first sub-signal, the second MCS index range set and the time domain density of the second sub-signal according to an embodiment of the present application, As shown in Figure 10.
  • the first MCS index range set includes multiple MCS index ranges, and the multiple MCS index ranges in the first MCS index range set respectively correspond to multiple time domain densities, and the first sub-signal The time domain density is the time corresponding to the MCS index range to which the MCS index indicated by a domain in the first signaling belongs among the multiple MCS index ranges in the first MCS index range set.
  • the second MCS index range set includes multiple MCS index ranges, the multiple MCS index ranges in the second MCS index range set respectively correspond to multiple time domain densities, and the second sub-signal
  • the time domain density is the time domain density corresponding to the MCS index range to which the MCS index indicated by a domain in the first signaling belongs among the multiple MCS index ranges in the second MCS index range set.
  • the first MCS index range set includes multiple MCS index ranges, and the multiple MCS index ranges in the first MCS index range set respectively correspond to multiple time domain densities, and the first sub-signal
  • the time domain density is the time domain corresponding to the MCS index range to which the MCS index indicated by a domain in the first signaling belongs among the multiple MCS index ranges in the first MCS index range set. density.
  • the second MCS index range set includes multiple MCS index ranges, and the multiple MCS index ranges in the second MCS index range set respectively correspond to multiple time domain densities, and the second sub-signal
  • the time domain density is the time domain corresponding to the MCS index range to which the MCS index indicated by a domain in the first signaling belongs among the multiple MCS index ranges in the second MCS index range set. density.
  • the first MCS index range set includes 2 MCS index ranges.
  • the first MCS index range set includes three MCS index ranges.
  • the first MCS index range set includes 4 MCS index ranges.
  • any two MCS index ranges in the first MCS index range set do not overlap with each other.
  • any MCS index range in the first MCS index range set includes at least one MCS index.
  • any MCS index range in the first MCS index range set is configurable.
  • one MCS index range in the first MCS index range set is configured by higher layer signaling.
  • one MCS index range in the first MCS index range set is configured by at least one parameter provided by the higher layer parameter PTRS-DownlinkConfig.
  • At least one higher layer parameter is used to divide the plurality of MCS index ranges in the first MCS index range set.
  • the second MCS index range set includes 2 MCS index ranges.
  • the second MCS index range set includes 3 MCS index ranges.
  • the second MCS index range set includes 4 MCS index ranges.
  • any two MCS index ranges in the second MCS index range set do not overlap with each other.
  • any MCS index range in the second MCS index range set includes at least one MCS index.
  • any MCS index range in the second MCS index range set is configurable.
  • one MCS index range in the second MCS index range set is configured by higher layer signaling.
  • one MCS index range in the second MCS index range set is configured by at least one parameter provided by the higher layer parameter PTRS-DownlinkConfig.
  • At least one higher-level parameter is used to divide the plurality of MCS index ranges in the second MCS index range set.
  • the first MCS index range set and the second MCS index range set are the same.
  • the first MCS index range set is different from the second MCS index range set.
  • the second MCS index range set is the first MCS index range set.
  • the multiple time domain densities corresponding to the multiple MCS index ranges in the first MCS index range set include ⁇ 4, 2, 1 ⁇ .
  • the multiple time domain densities corresponding to the multiple MCS index ranges in the second MCS index range set include ⁇ 4, 2, 1 ⁇ .
  • the first MCS index range set includes MCS index range # ⁇ 1,0 ⁇ , MCS index range # ⁇ 1,1 ⁇ ,..., MCS index range # ⁇ 1,K ⁇ , where K is a positive Integer; for any non-negative integer k not greater than K, the MCS index range # ⁇ 1,k ⁇ corresponds to the time domain density # ⁇ 1,k ⁇ ; when the time domain density of the first sub-signal is When the MCS index indicated by a field in the associated first signaling belongs to the MCS index range # ⁇ 1,j ⁇ , the time domain density of the first sub-signal is the time domain density # ⁇ 1,j ⁇ ⁇ , the j is a non-negative integer not greater than the K.
  • K is equal to 1.
  • K is equal to 2.
  • K is equal to 3.
  • K 4.
  • the K is no greater than 1023.
  • the second MCS index range set includes MCS index range # ⁇ 2,0 ⁇ , MCS index range # ⁇ 2,1 ⁇ ,..., MCS index range # ⁇ 2,N ⁇ , where N is a positive Integer; for any non-negative integer n not greater than N, the MCS index range # ⁇ 2,n ⁇ corresponds to the time domain density # ⁇ 2,n ⁇ ; when the time domain density of the second sub-signal is When the MCS index indicated by a field in the associated first signaling belongs to the MCS index range # ⁇ 2,i ⁇ , the time domain density of the second sub-signal is the time domain density # ⁇ 2,i ⁇ ⁇ , the i is a non-negative integer not greater than the N.
  • N is equal to 1.
  • N is equal to 2.
  • N is equal to 3.
  • N is equal to 4.
  • the N is not greater than 1023.
  • Embodiment 11 illustrates a schematic diagram of a first signal, a first sub-signal and a second sub-signal according to an embodiment of the present application, as shown in FIG. 11 .
  • the first signal includes a first PT-RS
  • the first sub-signal includes a portion of the first PT-RS that occupies a first PT-RS port
  • the second sub-signal includes The part of the first PT-RS that occupies the second PT-RS port
  • the first PT-RS port and the second PT-RS port are two different PT-RS ports (PT-RS ports) respectively.
  • the first PT-RS port and the second PT-RS port are respectively associated with different PUSCH antenna ports.
  • the first PT-RS port is PT-RS port 0, and the second PT-RS port is PT-RS port 1.
  • the first PT-RS port is PT-RS port 1
  • the second PT-RS port is PT-RS port 0.
  • Embodiment 12 illustrates a structural block diagram of a processing device in a first node device, as shown in FIG. 12 .
  • the first node device processing device 1200 includes a first receiver 1201 and a first transmitter 1202.
  • the first node device 1200 is a base station.
  • the first node device 1200 is user equipment.
  • the first node device 1200 is a relay node.
  • the first node device 1200 is a vehicle-mounted communication device.
  • the first node device 1200 is a user equipment supporting V2X communication.
  • the first node device 1200 is a relay node that supports V2X communication.
  • the first node device 1200 is a user equipment supporting operations on a high-frequency spectrum.
  • the first node device 1200 is a user equipment supporting operations on a shared spectrum.
  • the first receiver 1201 includes the antenna 452, receiver 454, multi-antenna receiving processor 458, receiving processor 456, controller/processor 459, memory 460 and data shown in Figure 4 of this application. At least one of the sources 467.
  • the first receiver 1201 includes the antenna 452, receiver 454, multi-antenna receiving processor 458, receiving processor 456, controller/processor 459, memory 460 and data shown in Figure 4 of this application. At least the first five of source 467.
  • the first receiver 1201 includes the antenna 452, receiver 454, multi-antenna receiving processor 458, receiving processor 456, controller/processor 459, memory 460 and data shown in Figure 4 of this application. At least the first four of source 467.
  • the first receiver 1201 includes the antenna 452, receiver 454, multi-antenna receiving processor 458, receiving processor 456, controller/processor 459, memory 460 and data shown in Figure 4 of this application. At least the first three of source 467.
  • the first receiver 1201 includes the antenna 452, receiver 454, multi-antenna receiving processor 458, receiving processor 456, controller/processor 459, memory 460 and data shown in Figure 4 of this application. At least the first two in source 467.
  • the first transmitter 1202 includes the antenna 452, transmitter 454, multi-antenna transmitter processor 457, transmit processor 468, controller/processor 459, memory 460 and At least one of the data sources 467.
  • the first transmitter 1202 includes the antenna 452, transmitter 454, multi-antenna transmitter processor 457, transmit processor 468, controller/processor 459, memory 460 and At least the first five of data sources 467.
  • the first transmitter 1202 includes the antenna 452, transmitter 454, multi-antenna transmitter processor 457, transmit processor 468, controller/processor 459, memory 460 and At least the first four of data sources 467.
  • the first transmitter 1202 includes the antenna 452, transmitter 454, multi-antenna transmitter processor 457, transmit processor 468, controller/processor 459, memory 460 and At least the first three of data sources 467.
  • the first transmitter 1202 includes the antenna 452, transmitter 454, multi-antenna transmitter processor 457, transmit processor 468, controller/processor 459, memory 460 and At least the first two of data sources 467.
  • the first receiver 1201 receives first signaling, the first signaling includes a first field, and the first field is used to indicate the connection between the PT-RS port and the DM-RS port. association; the first transmitter 1202 sends a first signal and a second signal, the first signal includes a first sub-signal and a second sub-signal, the first sub-signal and the second sub-signal are respectively Occupying 2 PT-RS ports, the second signal carries multiple bit blocks; wherein the time domain density of the first sub-signal and the time domain density of the second sub-signal are related to the first signal
  • the MCS index indicated by the same field in the signaling is still associated with the MCS index indicated by two different fields in the first signaling and the indication or indication of the first domain in the first signaling. At least one of the two is related to the allocation of the transport layer in the second signal.
  • the time domain density of the first sub-signal is associated with the MCS index indicated by a given domain in the first signaling; when the first domain in the first signaling When indicating that the PT-RS port occupied by the second sub-signal is associated with the first DM-RS port, the time domain density of the second sub-signal is associated with the given value in the first signaling.
  • the MCS index indicated by the domain when the first domain in the first signaling indicates that the PT-RS port occupied by the second sub-signal is associated with the second DM-RS port, the The time domain density of the two sub-signals is associated with the MCS index indicated by a domain outside the given domain in the first signaling; the first DM-RS port and the second DM-RS Ports share the PT-RS port occupied by the second sub-signal.
  • the first DM-RS port and the second DM-RS port correspond to a first bit block and a second bit block respectively, and the second signal carries the first bit block and the third bit block. Two bit blocks.
  • the second signal carries a first bit block and a second bit block; when the first set of conditions is met, the time domain density of the first sub-signal and the density of the second sub-signal are The time domain density is respectively associated with the MCS index indicated by two different domains in the first signaling; when the first condition set is not satisfied, the time domain density of the first sub-signal and the The time domain density of the second sub-signal is associated with the MCS index indicated by the same domain in the first signaling; the first set of conditions is related to the transmission layer or the transmission layer occupied by the first bit block. At least one of the two transport layers occupied by the second bit block is related.
  • the first condition set when the number of transmission layers occupied by the first bit block belongs to a first quantity set, the first condition set is satisfied; the first quantity set includes at least one quantity.
  • the first MCS index range set includes multiple MCS index ranges, and the multiple MCS index ranges in the first MCS index range set respectively correspond to multiple time domain densities, and the first sub-signal The time domain density is the time domain corresponding to the MCS index range to which the MCS index indicated by a domain in the first signaling belongs among the multiple MCS index ranges in the first MCS index range set.
  • the second MCS index range set includes multiple MCS index ranges, and the multiple MCS index ranges in the second MCS index range set respectively correspond to multiple time domain densities, and the time domain of the second sub-signal
  • the domain density is the time domain density corresponding to the MCS index range to which the MCS index indicated by a domain in the first signaling belongs among the multiple MCS index ranges in the second MCS index range set.
  • the first signal includes a first PT-RS
  • the first sub-signal includes a portion of the first PT-RS that occupies a first PT-RS port
  • the second sub-signal includes all The part of the first PT-RS that occupies the second PT-RS port.
  • Embodiment 13 illustrates a structural block diagram of a processing device in a second node device, as shown in FIG. 13 .
  • the second node device processing device 1300 includes a second transmitter 1301 and a second receiver 1302.
  • the second node device 1300 is user equipment.
  • the second node device 1300 is a base station.
  • the second node device 1300 is a satellite device.
  • the second node device 1300 is a relay node.
  • the second node device 1300 is a vehicle-mounted communication device.
  • the second node device 1300 is a user equipment supporting V2X communication.
  • the second node device 1300 is a device that supports operations on a high-frequency spectrum.
  • the second node device 1300 is a device that supports operations on a shared spectrum.
  • the second node device 1300 is one of a test device, a test equipment, and a test instrument.
  • the second transmitter 1301 includes the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, the controller/processor 475 and the memory 476 in Figure 4 of this application. At least one.
  • the second transmitter 1301 includes the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, the controller/processor 475 and the memory 476 in Figure 4 of this application. At least the first five.
  • the second transmitter 1301 includes the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, the controller/processor 475 and the memory 476 in Figure 4 of this application. At least the first four.
  • the second transmitter 1301 includes the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, the controller/processor 475 and the memory 476 in Figure 4 of this application. At least the first three.
  • the second transmitter 1301 includes the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, the controller/processor 475 and the memory 476 in Figure 4 of this application. At least the first two.
  • the second receiver 1302 includes the antenna 420, the receiver 418, the multi-antenna receiving processor 472, the receiving processor 470, the controller/processor 475 and the memory 476 in Figure 4 of this application. At least one.
  • the second receiver 1302 includes the antenna 420, the receiver 418, the multi-antenna receiving processor 472, the receiving processor 470, the controller/processor 475 and the memory 476 in Figure 4 of this application. At least the first five.
  • the second receiver 1302 includes the antenna 420 and the receiver 418 in Figure 4 of this application. At least the first four of processor 472, receive processor 470, controller/processor 475 and memory 476.
  • the second receiver 1302 includes the antenna 420, the receiver 418, the multi-antenna receiving processor 472, the receiving processor 470, the controller/processor 475 and the memory 476 in Figure 4 of this application. At least the first three.
  • the second receiver 1302 includes the antenna 420, the receiver 418, the multi-antenna receiving processor 472, the receiving processor 470, the controller/processor 475 and the memory 476 in Figure 4 of this application. At least the first two.
  • the second transmitter 1301 sends first signaling, the first signaling includes a first field, and the first field is used to indicate the connection between the PT-RS port and the DM-RS port. correlation; the second receiver 1302 receives a first signal and a second signal, the first signal includes a first sub-signal and a second sub-signal, the first sub-signal and the second sub-signal are respectively Occupying 2 PT-RS ports, the second signal carries multiple bit blocks; wherein the time domain density of the first sub-signal and the time domain density of the second sub-signal are related to the first signal.
  • the MCS index indicated by the same field in the signaling is still associated with the MCS index indicated by two different fields in the first signaling and the indication or indication of the first domain in the first signaling. At least one of the two is related to the allocation of the transport layer in the second signal.
  • the time domain density of the first sub-signal is associated with the MCS index indicated by a given domain in the first signaling; when the first domain in the first signaling When indicating that the PT-RS port occupied by the second sub-signal is associated with the first DM-RS port, the time domain density of the second sub-signal is associated with the given value in the first signaling.
  • the MCS index indicated by the domain when the first domain in the first signaling indicates that the PT-RS port occupied by the second sub-signal is associated with the second DM-RS port, the The time domain density of the two sub-signals is associated with the MCS index indicated by a domain outside the given domain in the first signaling; the first DM-RS port and the second DM-RS Ports share the PT-RS port occupied by the second sub-signal.
  • the first DM-RS port and the second DM-RS port correspond to a first bit block and a second bit block respectively, and the second signal carries the first bit block and the third bit block. Two bit blocks.
  • the second signal carries a first bit block and a second bit block; when the first set of conditions is met, the time domain density of the first sub-signal and the density of the second sub-signal are The time domain density is respectively associated with the MCS index indicated by two different domains in the first signaling; when the first condition set is not satisfied, the time domain density of the first sub-signal and the The time domain density of the second sub-signal is associated with the MCS index indicated by the same domain in the first signaling; the first set of conditions is related to the transmission layer or the transmission layer occupied by the first bit block. At least one of the two transport layers occupied by the second bit block is related.
  • the first condition set when the number of transmission layers occupied by the first bit block belongs to a first quantity set, the first condition set is satisfied; the first quantity set includes at least one quantity.
  • the first MCS index range set includes multiple MCS index ranges, and the multiple MCS index ranges in the first MCS index range set respectively correspond to multiple time domain densities, and the first sub-signal The time domain density is the time domain corresponding to the MCS index range to which the MCS index indicated by a domain in the first signaling belongs among the multiple MCS index ranges in the first MCS index range set.
  • the second MCS index range set includes multiple MCS index ranges, and the multiple MCS index ranges in the second MCS index range set respectively correspond to multiple time domain densities, and the time domain of the second sub-signal
  • the domain density is the time domain density corresponding to the MCS index range to which the MCS index indicated by a domain in the first signaling belongs among the multiple MCS index ranges in the second MCS index range set.
  • the first signal includes a first PT-RS
  • the first sub-signal includes a portion of the first PT-RS that occupies a first PT-RS port
  • the second sub-signal includes all The part of the first PT-RS that occupies the second PT-RS port.
  • the first node devices in this application include but are not limited to mobile phones, tablets, laptops, Internet cards, low-power devices, eMTC devices, NB-IoT devices, vehicle communication devices, aircraft, aircraft, drones, remote control aircraft, etc.
  • Wireless communications equipment The second node devices in this application include but are not limited to mobile phones, tablets, laptops, Internet cards, low-power devices, eMTC devices, NB-IoT devices, vehicle communication devices, aircraft, aircraft, drones, remote control aircraft, etc. Wireless communications equipment.
  • the user equipment or UE or terminal in this application includes but is not limited to mobile phones, tablets, laptops, Internet cards, low-power devices, eMTC devices, NB-IoT devices, vehicle-mounted communication equipment, aircraft, aircraft, drones, remote controls Wireless communication equipment such as aircraft.
  • the base station equipment or base station or network side equipment in this application includes but is not limited to macro cell base station, Microcell base station, home base station, relay base station, eNB, gNB, transmission and reception node TRP, GNSS, relay satellite, satellite base station, air base station, test device, test equipment, test instrument and other equipment.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Sont divulgués dans la présente demande un procédé et un appareil utilisés dans un nœud pour des communications sans fil. Un premier récepteur reçoit une première signalisation, la première signalisation comprenant un premier domaine, et le premier domaine étant utilisé pour indiquer une association entre un port PT-RS et un port DM-RS; un premier émetteur émet un premier signal et un second signal, le premier signal comprenant un premier sous-signal et un second sous-signal, le premier sous-signal et le second sous-signal occupant respectivement deux ports PT-RS, et le second signal portant une pluralité de blocs de bits, le fait que la densité de domaine temporel du premier sous-signal et la densité de domaine temporel du second sous-signal sont associées à un indice MCS indiqué par un même domaine dans la première signalisation ou sont respectivement associées à des indices MCS indiqués par deux domaines différents dans la première signalisation est associé ou non à une indication du premier domaine dans la première signalisation et/ou une attribution d'une couche de transmission dans le second signal.
PCT/CN2023/089209 2022-04-28 2023-04-19 Procédé et appareil utilisés dans un nœud pour des communications sans fil WO2023207705A1 (fr)

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CN202210461940.5 2022-04-28

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WO2020003543A1 (fr) * 2018-06-29 2020-01-02 株式会社Ｎｔｔドコモ Équipement utilisateur et station de base
CN111490861A (zh) * 2019-01-26 2020-08-04 上海朗帛通信技术有限公司 一种被用于无线通信的用户设备、基站中的方法和装置
CN111585720A (zh) * 2019-02-15 2020-08-25 上海朗帛通信技术有限公司 一种被用于无线通信的用户设备、基站中的方法和装置
US20210168011A1 (en) * 2017-09-07 2021-06-03 Apple Inc. Phase Tracking Reference Signal (PT-RS) Configuration
CN113162736A (zh) * 2020-01-07 2021-07-23 上海朗帛通信技术有限公司 一种被用于无线通信的节点中的方法和装置
CN113453353A (zh) * 2020-03-27 2021-09-28 上海朗帛通信技术有限公司 一种被用于无线通信的节点中的方法和装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210168011A1 (en) * 2017-09-07 2021-06-03 Apple Inc. Phase Tracking Reference Signal (PT-RS) Configuration
WO2020003543A1 (fr) * 2018-06-29 2020-01-02 株式会社Ｎｔｔドコモ Équipement utilisateur et station de base
CN111490861A (zh) * 2019-01-26 2020-08-04 上海朗帛通信技术有限公司 一种被用于无线通信的用户设备、基站中的方法和装置
CN111585720A (zh) * 2019-02-15 2020-08-25 上海朗帛通信技术有限公司 一种被用于无线通信的用户设备、基站中的方法和装置
CN113162736A (zh) * 2020-01-07 2021-07-23 上海朗帛通信技术有限公司 一种被用于无线通信的节点中的方法和装置
CN113453353A (zh) * 2020-03-27 2021-09-28 上海朗帛通信技术有限公司 一种被用于无线通信的节点中的方法和装置

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